Add higher-level support for writing / reading sparse matrices #209
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
eddelbuettel
requested review from
Shelnutt2,
aaronwolen and
stavrospapadopoulos
Shelnutt2
approved these changes
Feb 15, 2021
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR adds two helper functions
fromSparseMatrix()which, similar tofromDateFrame()takes and object and uri string to create a new array from a sparse matrix. ThetoSparseMatrix()function does the inverse. A small unit test has been added too.It adds the
Matrixpackage, which is of status 'Recommended' and hence present in essentially all R installations, to the list ofSuggests:.